# Physics I - Syllabus

Embark on a profound academic exploration as you delve into the Physics I course () within the distinguished Tribhuvan university's CSIT department. Aligned with the 2065 Syllabus, this course (PHY-105) seamlessly merges theoretical frameworks with practical sessions, ensuring a comprehensive understanding of the subject. Rigorous assessment based on a 60+20+20 marks system, coupled with a challenging passing threshold of , propels students to strive for excellence, fostering a deeper grasp of the course content.

This 3 credit-hour journey unfolds as a holistic learning experience, bridging theory and application. Beyond theoretical comprehension, students actively engage in practical sessions, acquiring valuable skills for real-world scenarios. Immerse yourself in this well-structured course, where each element, from the course description to interactive sessions, is meticulously crafted to shape a well-rounded and insightful academic experience.

**Course Synopsis:**The course deals with related topics in Mechanics and Electrodynamics. Mechanics: Non Relativistic Particle dynamics, conservation laws, harmonic Oscillator, dynamics of rigid body, strength of materials, hydrodynamics. Electrodynamics: Electrostatics, dielectrics, Electrostatic and magnetic energy, Maxwell's equation, propagation of electromagnetic wave. Laboratory works are designed to complement and supplement the theory course.

**Goal:**The course aims at introducing the concepts and methods of physics needed for application in various branch of modern science and technology.

#### Units

1.1 Newton's laws of motion

1.2 Reference frame, Galilean transformation, Galilean Invariance

1.3 Transformation equations

1.4 Non inertial frames of reference fictious forces

Centrifugal and coriolis forces

Non Relativistic Particle Dynamics

2.1 Equation of motion of uncharged and charged particles, Charged particles in constant and alternating electric field

2.2 Charged particles in a fields, magnetic field- cyclotron, magnetic focusing

2.3 Charge particles in combined electric and magnetic field

Conservation Laws

3.1 Laws of conservation of momentum and energy.

3.2 Conservative forces, potential energy,

3.3 Potential energy in electric and gravitational fields.

3.4 Non conservative forces, General laws of conservation of energy.

3.5 Collision in three dimensions, lab and cm. frames of reference, final velocities after collision, scattering angle,

3.6 Law of conservation of angular momentum - rotational invariance of potential energy

3.7 Example - motion of a planet, Kepler's laws

Harmonic Oscillator

4.1 Harmonic oscillator, energy, example: diatomic molecule.

4.2 An harmonic oscillator - pendulum with large oscillation

4.3 Damped oscillations, power factor, Q - factor

4.4 Driven oscillations, resonance, phase and half width

4.5 LCR and parallel resonance circuits.

Viscosity

5.1 Viscosity, Newton's law of viscous force, analogy between current flow and viscous flow

5.2 Motion of a body in a viscous medium.

Electrostatics

6.1 Electric field and electric potential

6.2 Divergence of E and Gauss's law, applications

6.3 Solution of electrostatic problems, Poisson's and Lap lace's equations

6.4 Solution of Lap laces equations in spherical cylindrical coordinates and rectangular coordinates

6.5 Examples conducting sphere in a uniform E field, method of images, point charge and a conducting sphere, line charge and line images, systems of conductors.

6.6 Solution of Poisson's equation

Dielectrics

7.1 Electric field in a dielectric media

Polarization, field inside and outside a dielectric gauss's law in a dielectric medium-displacement vector, electric susceptibility and dielectric constant

Boundary conditions on field vectors, boundary value problems in a dielectric medium, dielectric sphere in a uniform el. field.

7.2 Molecular theory of dielectrics, induced dipoles

Electrostatic Energy

8.1 Potential energy of a group of charges and charge distributions, energy density.

8.2 energy of a system of charged conductors

Magnetic Field Energy

9.1 Vector potential, and magnetic field

9.2 Energy density in the magnetic field, magnetic energy of coupled circuits.

Slowly Varying Current

10.1 Transient and steady state behavior

10.2 Series and parallel connection of impedances

10.3 Power, power factor, Resonance.

Maxwell's Equation

11.1 Maxwell's equations - displacement current

11.2 Electromagnetic energy

11.3 Wave equations without and with source, boundary conditions